文件类进出境快件报关时，运营人应向海关提交《中华人民共和国进出境报关单》。( )
参考答案：错
______ there, he found a great deal to interest him.
A．This being his first visit
B．Never having been before
C．This being his first time to visit
D．Having never been before
中 * * 党领导的抗日根据地 * * 的公文程式改革包括内容有（）。
A.文字口语化
B.格式简化
C.规范修辞
D.文种改造
E.文种创新
